title: Lateral diffusion in a mixture of mobile and immobile particles. A Monte Carlo study.
abstract: The lateral diffusion coefficient for mixtures of mobile and immobile particles is obtained from Monte Carlo calculations of random walks by mobile tracers in the presence of immobile obstacles on a triangular lattice. The diffusion coefficient of the mobile species is obtained as a function of the area fractions of mobile and immobile species. The results are applied to diffusion of band 3 in the erythrocyte membrane, and indicate that obstruction of diffusion of mobile band 3 by band 3 and glycophorin attached to the membrane skeleton is not sufficient to explain the observed diffusion coefficient.
authors.affiliation: Plant Growth Laboratory, University of California, Davis 95616.
authors.forename: M J
authors.initials: MJ
authors.lastname: Saxton
mesh_terms: D000818:Animals; D001457:Anion Exchange Protein 1, Erythrocyte / Q000378:metabolism; D055592:Biophysical Phenomena; D001703:Biophysics; D002462:Cell Membrane / Q000378:metabolism*; D004058:Diffusion; D004910:Erythrocyte Membrane / Q000378:metabolism; D008954:Models, Biological; D009010:Monte Carlo Method
chemical_list: D001457:Anion Exchange Protein 1, Erythrocyte